Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676170 | Gastight isolation valve for solid materials | Radomir Andonov, Emile Lonardi, Gilbert Bernard | 1997-10-14 |
| 5632495 | Elastomer sealing ring of relatively large diameter | Theodor Speaight, Emile Lonardi | 1997-05-27 |